Sub-woofer enclosure



FIG. 1 is a perspective view of a sub-woofer enclosure in accordance with my new design, showing the first side and the first end thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side thereof being a mirror image thereto;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a perspective view showing the second side and the second end of the sub-woofer enclosure. 

The ornamental design for a sub-woofer enclosure, as shown and described. 